Research Article
Predictive and Prognostic Implications of Mutation Profiling and Microsatellite Instability Status in Patients with Metastatic Colorectal Carcinoma
Table 1
Mutation subtype frequency distribution of RAS and BRAF genes.
| Genes | Codon | Mutation | Cases (% of 461) |
| Total cases with RAS mutation | | | 230 (49.9%) | Total cases with KRAS mutation | | | 201 (43.6%) | KRAS | 12 | p.G12D | 74 (16.1%) | 12 | p.G12V | 35 (7.6%) | 12 | p.G12C | 15 (3.3%) | 12 | p.G12A | 6 (1.3%) | 12 | p.G12R | 9 (1.9%) | 12 | p.G12S | 1 (0.2%) | 13 | p.G13D | 31 (6.7%) | 59 | p.A59T | 4 (0.9%) | 61 | p.Q61H | 2 (0.4%) | 146 | p.A146T | 16 (3.5%) | 146 | p.A146V | 3 (0.6%) | Others | Others | 5 (1.1%) | Total cases with NRAS mutation | | | 13 (2.8%) | NRAS | 12 | p.G12D | 4 (0.9%) | 12 | p.G12S | 2 (0.4%) | 18 | p.A18T | 1 (0.2%) | 61 | p.Q61L | 4 (0.9%) | 61 | p.Q61R | 2 (0.4%) | Total cases with HRAS mutation | | | 1 (0.2%) | HRAS | 12 | p.G12D | 1 (0.2%) | Total cases with BRAF mutation | | | 26 (5.6%) | BRAF | 600 | V600E | 26 (5.6%) |
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